AirQual Test Corporation provides on$-$site air quality testing services. The company provided the following cost formulas and actual results for the month of February:

Fixed Component per Month Variable Component per Job Actual Total for February

Revenue $ $276$ $ $35,890$

Technician wages $ $8,000$ $ $7,850$

Mobile lab operating expenses $ $4,700$ $ $32$ $ $9,020$

Office expenses $ $2,500$ $ $2$ $ $2,630$

Advertising expenses $ $1,560$ $ $1,630$

Insurance $ $2,900$ $ $2,900$

Miscellaneous expenses $ $960$ $ $2$ $ $545$

The company uses the number of jobs as its measure of activity. For example, mobile lab operating expenses should be $$4,700$ plus $$32$ per job, and the actual mobile lab operating expenses for February were $$9,020.$ The company expected to work $140$ jobs in February but actually worked $146$ jobs.